19480504

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{143239}}^1$

素因数の和:143262

約数の個数: 16

約数和(自身を含む): 38674800

約数和(自身を除く): 19194296

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 143239, 286478, 572956, 1145912, 2435063, 4870126, 9740252, 19480504]

約数ペア:

[(1, 19480504), (2, 9740252), (4, 4870126), (8, 2435063), (17, 1145912), (34, 572956), (68, 286478), (136, 143239)]